1940 in paleontology

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Paleontology or palaeontology is the study of prehistoric life forms on Earth through the examination of plant and animal fossils . [1] This includes the study of body fossils, tracks ( ichnites ), burrows , cast-off parts, fossilised feces ( coprolites ), palynomorphs and chemical residues . Because humans have encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a science . This article records significant discoveries and events related to paleontology that occurred or were published in the year 1940.

Contents

Plants

Angiosperms

NameNoveltyStatusAuthorsAgeUnitLocationNotesImages

Eucommia eocenica [2]

Sp nov

valid

(Berry) Brown

Middle Eocene

Claiborne Formation

Flag of the United States.svg  USA
Flag of Tennessee.svg  Tennessee

new generic placement of Simaroubites eocenica

Eucommia montana [2]

Sp nov

valid

Brown

Middle Eocene

Renova Formation

Flag of the United States.svg  USA
Flag of Montana.svg  Montana

Eucommia species, found across Western North America

Eucommia montana Eucommia montana Klondike Mtn Fmt 01.jpg
Eucommia montana

Pseudolarix americana [3]

Sp nov.

nomen nudum

Brown

Ypresian

Klondike Mountain Formation

Flag of the United States.svg  USA
Flag of Washington.svg  Washington

A golden larch species,
split into Pseudolarix arnoldii and Pseudolarix wehrii in 1992

Pseudolarix wehrii Pseudolarix wehrii SR 06-19-03 img2.jpg
Pseudolarix wehrii

Tetrapteris simsoni [4] [5]

Sp nov

jr synonym

Brown

Middle Eocene

Clarno Formation

Flag of the United States.svg  USA
Flag of Oregon.svg  Oregon

A walnut relative.
Moved to Cruciptera simsonii in 1991

Arthropods

insects

NameNoveltyStatusAuthorsAgeUnitLocationNotesImages

Centrinus longipes [6]

Sp nov

valid

Piton

Thanetian

Menat Formation

Flag of France.svg  France

A weevil

Centrinus longipes Centrinus longipes holotype MNHN.F.A57300 direct lighting.jpg
Centrinus longipes

Lixus ligniticus [6]

Sp nov

valid

Piton

Thanetian

Menat Formation

Flag of France.svg  France

A weevil

Lixus ligniticus Lixus ligniticus holotype MNHN.F.A38843 direct lighting.jpg
Lixus ligniticus

Doryderes laticollis [6]

Sp nov

valid

Piton

Thanetian

Menat Formation

Flag of France.svg  France

A pentatomid stinkbug

Doryderes laticollis Doryderes laticollis holotype MNHN.F.B47389 direct lighting.jpg
Doryderes laticollis

Phaenolobus arvernus [6]

Sp nov

valid

Piton

Thanetian

Menat Formation

Flag of France.svg  France

An ichneumonid wasp

Phaenolobus arvernus Phaenolobus arvernus holotype MNHN.F.A57301 direct lighting.jpg
Phaenolobus arvernus

Archosauromorphs

Crurotarsans

NameNoveltyStatusAuthorsAgeUnitLocationNotesImages

Asiatosuchus grangeri [7]

Gen. et. sp. nov

Valid

Mook

Upper Eocene

Irdin Manha Formation

Flag of the People's Republic of China.svg  China

A crocodyloid.

Dinosaurs

Data from George Olshevky's dinosaur genera list. [8]

NameNoveltyStatusAuthorsAgeUnitLocationNotesImages

Caenagnathus [9]

Valid

Sternberg

Flag of Canada (Pantone).svg  Canada
Flag of Alberta.svg  Alberta

Caenagnathus Caenagnathus mandible.jpg
Caenagnathus

Plesiosaurs

New taxa

NameStatusAuthorsLocationImages

Seeleyosaurus

Valid

White

Tremamesacleis

Jr. Synonym of Muraenosaurus .

White

Synapsids

Non-mammalian

NameStatusAuthorsAgeLocationNotesLocation

Aelurosauroides

Jr. Synonym of Aelurosaurus .

Aelurosauropsis

Valid

Haughton and Brink

Bienotherium

Valid

Young193 Millions of years ago.

Dicynodontoides

Valid

Broom257 Millions of years ago.

Leontocephalus

Jr. Synonym of Aelurognathus .

Nanictocephalus

Valid

Broom257 Millions of years ago

Prorubidgea

Jr. Synonym of Aelurognathus

References

  1. Gini-Newman, Garfield; Graham, Elizabeth (2001). Echoes from the past: world history to the 16th century. Toronto: McGraw-Hill Ryerson Ltd. ISBN   9780070887398. OCLC   46769716.
  2. 1 2 Call, V.B.; Dilcher, D.L. (1997). "The fossil record of Eucommia (Eucommiaceae) in North America". American Journal of Botany. 84 (6): 798–814. doi:10.2307/2445816. JSTOR   2445816. PMID   21708632. S2CID   20464075.
  3. Gooch, N. L. (1992). "Two new species of Pseudolarix Gordon (Pinaceae) from the middle Eocene of the Pacific Northwest". PaleoBios. 14: 13–19.
  4. Brown, R. W. (1940). "New species and changes of name in some American fossil floras". Journal of the Washington Academy of Sciences. 30 (8): 344–356. JSTOR   24529454.
  5. Manchester, S.R. (1994). "Fruits and Seeds of the Middle Eocene Nut Beds Flora, Clarno Formation, Oregon". Palaeontographica Americana. 58: 30–31.
  6. 1 2 3 4 Piton, L. (1940). "Paléontologie du Gisement Éocéne de Menat (Puy-de-Dôme) (Flore et Faune)". Mémoire de la Société d'Histoire Naturelle d'Auvergne. 1: 1–303.
  7. Mook, Charles Craig (December 26, 1940). "A new fossil crocodilian from Mongolia". American Museum Novitates (1097): 1–3. hdl:2246/2242.
  8. Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Archived from the original on 2011-07-15. Retrieved 2008-08-07.
  9. Sternberg, R.M. 1940. A toothless bird from the Cretaceous of Alberta. J. Paleontol. 14: pp. 81-85.